Home / 30,862.29-42,590.07-16,715.13

Finding the Fourth Proportional to 30,862.29, 42,590.07 and 16,715.13

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Solution

The fourth proportional to 30,862.29, 42,590.07 and 16,715.13 is: 23,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.29 : 42,590.07 = 16,715.13 : x
  2. Step 2: Convert to fraction form
    30,862.29/42,590.07 = 16,715.13/x
  3. Step 3: Cross multiply
    30,862.29x = 42,590.07 × 16,715.13
  4. Step 4: Simplify right side
    30,862.29x = 711,898,556.76
  5. Step 5: Solve for x
    x = 711,898,556.76/30,862.29
  6. Step 6: Final answer
    x = 23,066.94

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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.