Home / 42,601.98-63,859.68-17,655.60

Finding the Fourth Proportional to 42,601.98, 63,859.68 and 17,655.60

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Solution

The fourth proportional to 42,601.98, 63,859.68 and 17,655.60 is: 26,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,601.98 : 63,859.68 = 17,655.60 : x
  2. Step 2: Convert to fraction form
    42,601.98/63,859.68 = 17,655.60/x
  3. Step 3: Cross multiply
    42,601.98x = 63,859.68 × 17,655.60
  4. Step 4: Simplify right side
    42,601.98x = 1,127,480,966.21
  5. Step 5: Solve for x
    x = 1,127,480,966.21/42,601.98
  6. Step 6: Final answer
    x = 26,465.46

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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.