Home / 56,138.34-84,136.99-28,066.21

Finding the Fourth Proportional to 56,138.34, 84,136.99 and 28,066.21

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Solution

The fourth proportional to 56,138.34, 84,136.99 and 28,066.21 is: 42,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.34 : 84,136.99 = 28,066.21 : x
  2. Step 2: Convert to fraction form
    56,138.34/84,136.99 = 28,066.21/x
  3. Step 3: Cross multiply
    56,138.34x = 84,136.99 × 28,066.21
  4. Step 4: Simplify right side
    56,138.34x = 2,361,406,430.11
  5. Step 5: Solve for x
    x = 2,361,406,430.11/56,138.34
  6. Step 6: Final answer
    x = 42,064.06

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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.