Home / 42,513.36-63,769.50-19,123.26

Finding the Fourth Proportional to 42,513.36, 63,769.50 and 19,123.26

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Solution

The fourth proportional to 42,513.36, 63,769.50 and 19,123.26 is: 28,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.36 : 63,769.50 = 19,123.26 : x
  2. Step 2: Convert to fraction form
    42,513.36/63,769.50 = 19,123.26/x
  3. Step 3: Cross multiply
    42,513.36x = 63,769.50 × 19,123.26
  4. Step 4: Simplify right side
    42,513.36x = 1,219,480,728.57
  5. Step 5: Solve for x
    x = 1,219,480,728.57/42,513.36
  6. Step 6: Final answer
    x = 28,684.65

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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.