Home / 56,038.12-77,332.62-30,887.62

Finding the Fourth Proportional to 56,038.12, 77,332.62 and 30,887.62

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Solution

The fourth proportional to 56,038.12, 77,332.62 and 30,887.62 is: 42,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,038.12 : 77,332.62 = 30,887.62 : x
  2. Step 2: Convert to fraction form
    56,038.12/77,332.62 = 30,887.62/x
  3. Step 3: Cross multiply
    56,038.12x = 77,332.62 × 30,887.62
  4. Step 4: Simplify right side
    56,038.12x = 2,388,620,580.16
  5. Step 5: Solve for x
    x = 2,388,620,580.16/56,038.12
  6. Step 6: Final answer
    x = 42,624.92

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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.