Home / 64,587.38-89,138.93-36,293.06

Finding the Fourth Proportional to 64,587.38, 89,138.93 and 36,293.06

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Solution

The fourth proportional to 64,587.38, 89,138.93 and 36,293.06 is: 50,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587.38 : 89,138.93 = 36,293.06 : x
  2. Step 2: Convert to fraction form
    64,587.38/89,138.93 = 36,293.06/x
  3. Step 3: Cross multiply
    64,587.38x = 89,138.93 × 36,293.06
  4. Step 4: Simplify right side
    64,587.38x = 3,235,124,780.36
  5. Step 5: Solve for x
    x = 3,235,124,780.36/64,587.38
  6. Step 6: Final answer
    x = 50,089.12

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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.