Home / 42,141.96-58,155.12-23,278.68

Finding the Fourth Proportional to 42,141.96, 58,155.12 and 23,278.68

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Solution

The fourth proportional to 42,141.96, 58,155.12 and 23,278.68 is: 32,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.96 : 58,155.12 = 23,278.68 : x
  2. Step 2: Convert to fraction form
    42,141.96/58,155.12 = 23,278.68/x
  3. Step 3: Cross multiply
    42,141.96x = 58,155.12 × 23,278.68
  4. Step 4: Simplify right side
    42,141.96x = 1,353,774,428.84
  5. Step 5: Solve for x
    x = 1,353,774,428.84/42,141.96
  6. Step 6: Final answer
    x = 32,124.14

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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.