Home / 40,505.13-60,767.43-12,803.13

Finding the Fourth Proportional to 40,505.13, 60,767.43 and 12,803.13

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Solution

The fourth proportional to 40,505.13, 60,767.43 and 12,803.13 is: 19,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505.13 : 60,767.43 = 12,803.13 : x
  2. Step 2: Convert to fraction form
    40,505.13/60,767.43 = 12,803.13/x
  3. Step 3: Cross multiply
    40,505.13x = 60,767.43 × 12,803.13
  4. Step 4: Simplify right side
    40,505.13x = 778,013,306.06
  5. Step 5: Solve for x
    x = 778,013,306.06/40,505.13
  6. Step 6: Final answer
    x = 19,207.77

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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.