Home / 60,516.48-90,777.15-21,077.58

Finding the Fourth Proportional to 60,516.48, 90,777.15 and 21,077.58

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Solution

The fourth proportional to 60,516.48, 90,777.15 and 21,077.58 is: 31,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,516.48 : 90,777.15 = 21,077.58 : x
  2. Step 2: Convert to fraction form
    60,516.48/90,777.15 = 21,077.58/x
  3. Step 3: Cross multiply
    60,516.48x = 90,777.15 × 21,077.58
  4. Step 4: Simplify right side
    60,516.48x = 1,913,362,641.30
  5. Step 5: Solve for x
    x = 1,913,362,641.30/60,516.48
  6. Step 6: Final answer
    x = 31,617.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.