Home / 42,595.13-63,888.25-18,903.08

Finding the Fourth Proportional to 42,595.13, 63,888.25 and 18,903.08

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Solution

The fourth proportional to 42,595.13, 63,888.25 and 18,903.08 is: 28,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,595.13 : 63,888.25 = 18,903.08 : x
  2. Step 2: Convert to fraction form
    42,595.13/63,888.25 = 18,903.08/x
  3. Step 3: Cross multiply
    42,595.13x = 63,888.25 × 18,903.08
  4. Step 4: Simplify right side
    42,595.13x = 1,207,684,606.29
  5. Step 5: Solve for x
    x = 1,207,684,606.29/42,595.13
  6. Step 6: Final answer
    x = 28,352.65

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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.