Home / 61,281.42-84,555.24-35,776.20

Finding the Fourth Proportional to 61,281.42, 84,555.24 and 35,776.20

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Solution

The fourth proportional to 61,281.42, 84,555.24 and 35,776.20 is: 49,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,281.42 : 84,555.24 = 35,776.20 : x
  2. Step 2: Convert to fraction form
    61,281.42/84,555.24 = 35,776.20/x
  3. Step 3: Cross multiply
    61,281.42x = 84,555.24 × 35,776.20
  4. Step 4: Simplify right side
    61,281.42x = 3,025,065,177.29
  5. Step 5: Solve for x
    x = 3,025,065,177.29/61,281.42
  6. Step 6: Final answer
    x = 49,363.50

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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.