Home / 42,615.40-63,923.10-25,119.40

Finding the Fourth Proportional to 42,615.40, 63,923.10 and 25,119.40

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Solution

The fourth proportional to 42,615.40, 63,923.10 and 25,119.40 is: 37,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.40 : 63,923.10 = 25,119.40 : x
  2. Step 2: Convert to fraction form
    42,615.40/63,923.10 = 25,119.40/x
  3. Step 3: Cross multiply
    42,615.40x = 63,923.10 × 25,119.40
  4. Step 4: Simplify right side
    42,615.40x = 1,605,709,918.14
  5. Step 5: Solve for x
    x = 1,605,709,918.14/42,615.40
  6. Step 6: Final answer
    x = 37,679.10

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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.