Home / 30,941,275.08-42,696,456.30-17,889,371.40

Finding the Fourth Proportional to 30,941,275.08, 42,696,456.30 and 17,889,371.40

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Solution

The fourth proportional to 30,941,275.08, 42,696,456.30 and 17,889,371.40 is: 24,685,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,275.08 : 42,696,456.30 = 17,889,371.40 : x
  2. Step 2: Convert to fraction form
    30,941,275.08/42,696,456.30 = 17,889,371.40/x
  3. Step 3: Cross multiply
    30,941,275.08x = 42,696,456.30 × 17,889,371.40
  4. Step 4: Simplify right side
    30,941,275.08x = 763,812,764,214,569.75
  5. Step 5: Solve for x
    x = 763,812,764,214,569.75/30,941,275.08
  6. Step 6: Final answer
    x = 24,685,885.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.