Home / 30,856.16-42,574.48-17,426.72

Finding the Fourth Proportional to 30,856.16, 42,574.48 and 17,426.72

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Solution

The fourth proportional to 30,856.16, 42,574.48 and 17,426.72 is: 24,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.16 : 42,574.48 = 17,426.72 : x
  2. Step 2: Convert to fraction form
    30,856.16/42,574.48 = 17,426.72/x
  3. Step 3: Cross multiply
    30,856.16x = 42,574.48 × 17,426.72
  4. Step 4: Simplify right side
    30,856.16x = 741,933,542.11
  5. Step 5: Solve for x
    x = 741,933,542.11/30,856.16
  6. Step 6: Final answer
    x = 24,044.91

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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.