Home / 56,239.98-77,607.27-31,087.50

Finding the Fourth Proportional to 56,239.98, 77,607.27 and 31,087.50

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Solution

The fourth proportional to 56,239.98, 77,607.27 and 31,087.50 is: 42,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,239.98 : 77,607.27 = 31,087.50 : x
  2. Step 2: Convert to fraction form
    56,239.98/77,607.27 = 31,087.50/x
  3. Step 3: Cross multiply
    56,239.98x = 77,607.27 × 31,087.50
  4. Step 4: Simplify right side
    56,239.98x = 2,412,616,006.13
  5. Step 5: Solve for x
    x = 2,412,616,006.13/56,239.98
  6. Step 6: Final answer
    x = 42,898.59

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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.