Home / 56,043.12-77,337.95-30,549.98

Finding the Fourth Proportional to 56,043.12, 77,337.95 and 30,549.98

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Solution

The fourth proportional to 56,043.12, 77,337.95 and 30,549.98 is: 42,158.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.12 : 77,337.95 = 30,549.98 : x
  2. Step 2: Convert to fraction form
    56,043.12/77,337.95 = 30,549.98/x
  3. Step 3: Cross multiply
    56,043.12x = 77,337.95 × 30,549.98
  4. Step 4: Simplify right side
    56,043.12x = 2,362,672,689.08
  5. Step 5: Solve for x
    x = 2,362,672,689.08/56,043.12
  6. Step 6: Final answer
    x = 42,158.12

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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.