Home / 56,488.07-77,953.58-31,337.57

Finding the Fourth Proportional to 56,488.07, 77,953.58 and 31,337.57

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Solution

The fourth proportional to 56,488.07, 77,953.58 and 31,337.57 is: 43,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.07 : 77,953.58 = 31,337.57 : x
  2. Step 2: Convert to fraction form
    56,488.07/77,953.58 = 31,337.57/x
  3. Step 3: Cross multiply
    56,488.07x = 77,953.58 × 31,337.57
  4. Step 4: Simplify right side
    56,488.07x = 2,442,875,223.54
  5. Step 5: Solve for x
    x = 2,442,875,223.54/56,488.07
  6. Step 6: Final answer
    x = 43,245.86

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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.