Home / 56,382.04-77,762.31-36,240.98

Finding the Fourth Proportional to 56,382.04, 77,762.31 and 36,240.98

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Solution

The fourth proportional to 56,382.04, 77,762.31 and 36,240.98 is: 49,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,382.04 : 77,762.31 = 36,240.98 : x
  2. Step 2: Convert to fraction form
    56,382.04/77,762.31 = 36,240.98/x
  3. Step 3: Cross multiply
    56,382.04x = 77,762.31 × 36,240.98
  4. Step 4: Simplify right side
    56,382.04x = 2,818,182,321.46
  5. Step 5: Solve for x
    x = 2,818,182,321.46/56,382.04
  6. Step 6: Final answer
    x = 49,983.69

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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.