Home / 22,931.91-34,342.45-13,041.20

Finding the Fourth Proportional to 22,931.91, 34,342.45 and 13,041.20

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Solution

The fourth proportional to 22,931.91, 34,342.45 and 13,041.20 is: 19,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931.91 : 34,342.45 = 13,041.20 : x
  2. Step 2: Convert to fraction form
    22,931.91/34,342.45 = 13,041.20/x
  3. Step 3: Cross multiply
    22,931.91x = 34,342.45 × 13,041.20
  4. Step 4: Simplify right side
    22,931.91x = 447,866,812.19
  5. Step 5: Solve for x
    x = 447,866,812.19/22,931.91
  6. Step 6: Final answer
    x = 19,530.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.