Home / 42,611.40-63,945.90-23,891.40

Finding the Fourth Proportional to 42,611.40, 63,945.90 and 23,891.40

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Solution

The fourth proportional to 42,611.40, 63,945.90 and 23,891.40 is: 35,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,611.40 : 63,945.90 = 23,891.40 : x
  2. Step 2: Convert to fraction form
    42,611.40/63,945.90 = 23,891.40/x
  3. Step 3: Cross multiply
    42,611.40x = 63,945.90 × 23,891.40
  4. Step 4: Simplify right side
    42,611.40x = 1,527,757,075.26
  5. Step 5: Solve for x
    x = 1,527,757,075.26/42,611.40
  6. Step 6: Final answer
    x = 35,853.25

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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.