Home / 42,541.05-63,833.54-20,349.93

Finding the Fourth Proportional to 42,541.05, 63,833.54 and 20,349.93

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Solution

The fourth proportional to 42,541.05, 63,833.54 and 20,349.93 is: 30,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541.05 : 63,833.54 = 20,349.93 : x
  2. Step 2: Convert to fraction form
    42,541.05/63,833.54 = 20,349.93/x
  3. Step 3: Cross multiply
    42,541.05x = 63,833.54 × 20,349.93
  4. Step 4: Simplify right side
    42,541.05x = 1,299,007,968.90
  5. Step 5: Solve for x
    x = 1,299,007,968.90/42,541.05
  6. Step 6: Final answer
    x = 30,535.40

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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.