Home / 42,837.30-64,236.51-15,135.30

Finding the Fourth Proportional to 42,837.30, 64,236.51 and 15,135.30

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Solution

The fourth proportional to 42,837.30, 64,236.51 and 15,135.30 is: 22,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,837.30 : 64,236.51 = 15,135.30 : x
  2. Step 2: Convert to fraction form
    42,837.30/64,236.51 = 15,135.30/x
  3. Step 3: Cross multiply
    42,837.30x = 64,236.51 × 15,135.30
  4. Step 4: Simplify right side
    42,837.30x = 972,238,849.80
  5. Step 5: Solve for x
    x = 972,238,849.80/42,837.30
  6. Step 6: Final answer
    x = 22,696.08

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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.