Home / 60,389.36-90,536.40-38,155.88

Finding the Fourth Proportional to 60,389.36, 90,536.40 and 38,155.88

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Solution

The fourth proportional to 60,389.36, 90,536.40 and 38,155.88 is: 57,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,389.36 : 90,536.40 = 38,155.88 : x
  2. Step 2: Convert to fraction form
    60,389.36/90,536.40 = 38,155.88/x
  3. Step 3: Cross multiply
    60,389.36x = 90,536.40 × 38,155.88
  4. Step 4: Simplify right side
    60,389.36x = 3,454,495,731.11
  5. Step 5: Solve for x
    x = 3,454,495,731.11/60,389.36
  6. Step 6: Final answer
    x = 57,203.71

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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.