Home / 56,587.77-78,082.79-31,437.27

Finding the Fourth Proportional to 56,587.77, 78,082.79 and 31,437.27

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Solution

The fourth proportional to 56,587.77, 78,082.79 and 31,437.27 is: 43,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.77 : 78,082.79 = 31,437.27 : x
  2. Step 2: Convert to fraction form
    56,587.77/78,082.79 = 31,437.27/x
  3. Step 3: Cross multiply
    56,587.77x = 78,082.79 × 31,437.27
  4. Step 4: Simplify right side
    56,587.77x = 2,454,709,594.40
  5. Step 5: Solve for x
    x = 2,454,709,594.40/56,587.77
  6. Step 6: Final answer
    x = 43,378.80

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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.