Home / 55,962.16-77,228.85-30,811.66

Finding the Fourth Proportional to 55,962.16, 77,228.85 and 30,811.66

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Solution

The fourth proportional to 55,962.16, 77,228.85 and 30,811.66 is: 42,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.16 : 77,228.85 = 30,811.66 : x
  2. Step 2: Convert to fraction form
    55,962.16/77,228.85 = 30,811.66/x
  3. Step 3: Cross multiply
    55,962.16x = 77,228.85 × 30,811.66
  4. Step 4: Simplify right side
    55,962.16x = 2,379,549,068.39
  5. Step 5: Solve for x
    x = 2,379,549,068.39/55,962.16
  6. Step 6: Final answer
    x = 42,520.68

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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.