Home / 64,438.50-88,925.19-36,144.18

Finding the Fourth Proportional to 64,438.50, 88,925.19 and 36,144.18

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Solution

The fourth proportional to 64,438.50, 88,925.19 and 36,144.18 is: 49,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.50 : 88,925.19 = 36,144.18 : x
  2. Step 2: Convert to fraction form
    64,438.50/88,925.19 = 36,144.18/x
  3. Step 3: Cross multiply
    64,438.50x = 88,925.19 × 36,144.18
  4. Step 4: Simplify right side
    64,438.50x = 3,214,128,073.89
  5. Step 5: Solve for x
    x = 3,214,128,073.89/64,438.50
  6. Step 6: Final answer
    x = 49,879.00

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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.