Home / 56,020.07-77,306.70-30,526.66

Finding the Fourth Proportional to 56,020.07, 77,306.70 and 30,526.66

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Solution

The fourth proportional to 56,020.07, 77,306.70 and 30,526.66 is: 42,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,020.07 : 77,306.70 = 30,526.66 : x
  2. Step 2: Convert to fraction form
    56,020.07/77,306.70 = 30,526.66/x
  3. Step 3: Cross multiply
    56,020.07x = 77,306.70 × 30,526.66
  4. Step 4: Simplify right side
    56,020.07x = 2,359,915,153.36
  5. Step 5: Solve for x
    x = 2,359,915,153.36/56,020.07
  6. Step 6: Final answer
    x = 42,126.24

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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.