Home / 30,929.40-42,684.64-17,501.22

Finding the Fourth Proportional to 30,929.40, 42,684.64 and 17,501.22

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Solution

The fourth proportional to 30,929.40, 42,684.64 and 17,501.22 is: 24,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929.40 : 42,684.64 = 17,501.22 : x
  2. Step 2: Convert to fraction form
    30,929.40/42,684.64 = 17,501.22/x
  3. Step 3: Cross multiply
    30,929.40x = 42,684.64 × 17,501.22
  4. Step 4: Simplify right side
    30,929.40x = 747,033,275.26
  5. Step 5: Solve for x
    x = 747,033,275.26/30,929.40
  6. Step 6: Final answer
    x = 24,152.85

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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.