Home / 42,417.64-63,625.80-10,397.03

Finding the Fourth Proportional to 42,417.64, 63,625.80 and 10,397.03

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Solution

The fourth proportional to 42,417.64, 63,625.80 and 10,397.03 is: 15,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.64 : 63,625.80 = 10,397.03 : x
  2. Step 2: Convert to fraction form
    42,417.64/63,625.80 = 10,397.03/x
  3. Step 3: Cross multiply
    42,417.64x = 63,625.80 × 10,397.03
  4. Step 4: Simplify right side
    42,417.64x = 661,519,351.37
  5. Step 5: Solve for x
    x = 661,519,351.37/42,417.64
  6. Step 6: Final answer
    x = 15,595.38

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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.