Home / 42,425.40-63,647.28-16,130.64

Finding the Fourth Proportional to 42,425.40, 63,647.28 and 16,130.64

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Solution

The fourth proportional to 42,425.40, 63,647.28 and 16,130.64 is: 24,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.40 : 63,647.28 = 16,130.64 : x
  2. Step 2: Convert to fraction form
    42,425.40/63,647.28 = 16,130.64/x
  3. Step 3: Cross multiply
    42,425.40x = 63,647.28 × 16,130.64
  4. Step 4: Simplify right side
    42,425.40x = 1,026,671,360.66
  5. Step 5: Solve for x
    x = 1,026,671,360.66/42,425.40
  6. Step 6: Final answer
    x = 24,199.45

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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.