Home / 40,577.40-56,035.13-38,368.53

Finding the Fourth Proportional to 40,577.40, 56,035.13 and 38,368.53

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Solution

The fourth proportional to 40,577.40, 56,035.13 and 38,368.53 is: 52,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,577.40 : 56,035.13 = 38,368.53 : x
  2. Step 2: Convert to fraction form
    40,577.40/56,035.13 = 38,368.53/x
  3. Step 3: Cross multiply
    40,577.40x = 56,035.13 × 38,368.53
  4. Step 4: Simplify right side
    40,577.40x = 2,149,985,374.62
  5. Step 5: Solve for x
    x = 2,149,985,374.62/40,577.40
  6. Step 6: Final answer
    x = 52,984.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.