Home / 42,465.10-63,681.45-12,873.10

Finding the Fourth Proportional to 42,465.10, 63,681.45 and 12,873.10

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Solution

The fourth proportional to 42,465.10, 63,681.45 and 12,873.10 is: 19,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465.10 : 63,681.45 = 12,873.10 : x
  2. Step 2: Convert to fraction form
    42,465.10/63,681.45 = 12,873.10/x
  3. Step 3: Cross multiply
    42,465.10x = 63,681.45 × 12,873.10
  4. Step 4: Simplify right side
    42,465.10x = 819,777,674.00
  5. Step 5: Solve for x
    x = 819,777,674.00/42,465.10
  6. Step 6: Final answer
    x = 19,304.74

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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.