Home / 42,390.20-58,503.66-23,533.40

Finding the Fourth Proportional to 42,390.20, 58,503.66 and 23,533.40

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Solution

The fourth proportional to 42,390.20, 58,503.66 and 23,533.40 is: 32,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,390.20 : 58,503.66 = 23,533.40 : x
  2. Step 2: Convert to fraction form
    42,390.20/58,503.66 = 23,533.40/x
  3. Step 3: Cross multiply
    42,390.20x = 58,503.66 × 23,533.40
  4. Step 4: Simplify right side
    42,390.20x = 1,376,790,032.24
  5. Step 5: Solve for x
    x = 1,376,790,032.24/42,390.20
  6. Step 6: Final answer
    x = 32,478.97

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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.