Home / 42,405.40-63,637.25-14,703.40

Finding the Fourth Proportional to 42,405.40, 63,637.25 and 14,703.40

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Solution

The fourth proportional to 42,405.40, 63,637.25 and 14,703.40 is: 22,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,405.40 : 63,637.25 = 14,703.40 : x
  2. Step 2: Convert to fraction form
    42,405.40/63,637.25 = 14,703.40/x
  3. Step 3: Cross multiply
    42,405.40x = 63,637.25 × 14,703.40
  4. Step 4: Simplify right side
    42,405.40x = 935,683,941.65
  5. Step 5: Solve for x
    x = 935,683,941.65/42,405.40
  6. Step 6: Final answer
    x = 22,065.21

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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.