Home / 56,421.20-77,869.55-32,543.21

Finding the Fourth Proportional to 56,421.20, 77,869.55 and 32,543.21

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Solution

The fourth proportional to 56,421.20, 77,869.55 and 32,543.21 is: 44,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,421.20 : 77,869.55 = 32,543.21 : x
  2. Step 2: Convert to fraction form
    56,421.20/77,869.55 = 32,543.21/x
  3. Step 3: Cross multiply
    56,421.20x = 77,869.55 × 32,543.21
  4. Step 4: Simplify right side
    56,421.20x = 2,534,124,955.54
  5. Step 5: Solve for x
    x = 2,534,124,955.54/56,421.20
  6. Step 6: Final answer
    x = 44,914.41

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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.