Home / 42,438.12-58,564.64-23,319.12

Finding the Fourth Proportional to 42,438.12, 58,564.64 and 23,319.12

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Solution

The fourth proportional to 42,438.12, 58,564.64 and 23,319.12 is: 32,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438.12 : 58,564.64 = 23,319.12 : x
  2. Step 2: Convert to fraction form
    42,438.12/58,564.64 = 23,319.12/x
  3. Step 3: Cross multiply
    42,438.12x = 58,564.64 × 23,319.12
  4. Step 4: Simplify right side
    42,438.12x = 1,365,675,867.92
  5. Step 5: Solve for x
    x = 1,365,675,867.92/42,438.12
  6. Step 6: Final answer
    x = 32,180.40

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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.