Home / 56,133.64-84,156.32-28,039.20

Finding the Fourth Proportional to 56,133.64, 84,156.32 and 28,039.20

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Solution

The fourth proportional to 56,133.64, 84,156.32 and 28,039.20 is: 42,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.64 : 84,156.32 = 28,039.20 : x
  2. Step 2: Convert to fraction form
    56,133.64/84,156.32 = 28,039.20/x
  3. Step 3: Cross multiply
    56,133.64x = 84,156.32 × 28,039.20
  4. Step 4: Simplify right side
    56,133.64x = 2,359,675,887.74
  5. Step 5: Solve for x
    x = 2,359,675,887.74/56,133.64
  6. Step 6: Final answer
    x = 42,036.75

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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.