Home / 40,013.08-60,019.68-10,430.92

Finding the Fourth Proportional to 40,013.08, 60,019.68 and 10,430.92

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Solution

The fourth proportional to 40,013.08, 60,019.68 and 10,430.92 is: 15,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.08 : 60,019.68 = 10,430.92 : x
  2. Step 2: Convert to fraction form
    40,013.08/60,019.68 = 10,430.92/x
  3. Step 3: Cross multiply
    40,013.08x = 60,019.68 × 10,430.92
  4. Step 4: Simplify right side
    40,013.08x = 626,060,480.51
  5. Step 5: Solve for x
    x = 626,060,480.51/40,013.08
  6. Step 6: Final answer
    x = 15,646.40

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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.