Home / 56,384.16-77,729.76-40,463.52

Finding the Fourth Proportional to 56,384.16, 77,729.76 and 40,463.52

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Solution

The fourth proportional to 56,384.16, 77,729.76 and 40,463.52 is: 55,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.16 : 77,729.76 = 40,463.52 : x
  2. Step 2: Convert to fraction form
    56,384.16/77,729.76 = 40,463.52/x
  3. Step 3: Cross multiply
    56,384.16x = 77,729.76 × 40,463.52
  4. Step 4: Simplify right side
    56,384.16x = 3,145,219,698.36
  5. Step 5: Solve for x
    x = 3,145,219,698.36/56,384.16
  6. Step 6: Final answer
    x = 55,781.97

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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.