Home / 42,450.36-63,688.88-17,502.15

Finding the Fourth Proportional to 42,450.36, 63,688.88 and 17,502.15

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Solution

The fourth proportional to 42,450.36, 63,688.88 and 17,502.15 is: 26,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,450.36 : 63,688.88 = 17,502.15 : x
  2. Step 2: Convert to fraction form
    42,450.36/63,688.88 = 17,502.15/x
  3. Step 3: Cross multiply
    42,450.36x = 63,688.88 × 17,502.15
  4. Step 4: Simplify right side
    42,450.36x = 1,114,692,243.58
  5. Step 5: Solve for x
    x = 1,114,692,243.58/42,450.36
  6. Step 6: Final answer
    x = 26,258.72

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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.