Home / 42,089.04-63,136.98-12,506.91

Finding the Fourth Proportional to 42,089.04, 63,136.98 and 12,506.91

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Solution

The fourth proportional to 42,089.04, 63,136.98 and 12,506.91 is: 18,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,089.04 : 63,136.98 = 12,506.91 : x
  2. Step 2: Convert to fraction form
    42,089.04/63,136.98 = 12,506.91/x
  3. Step 3: Cross multiply
    42,089.04x = 63,136.98 × 12,506.91
  4. Step 4: Simplify right side
    42,089.04x = 789,648,307.36
  5. Step 5: Solve for x
    x = 789,648,307.36/42,089.04
  6. Step 6: Final answer
    x = 18,761.37

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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.