Home / 56,042.70-77,337.86-30,549.30

Finding the Fourth Proportional to 56,042.70, 77,337.86 and 30,549.30

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Solution

The fourth proportional to 56,042.70, 77,337.86 and 30,549.30 is: 42,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.70 : 77,337.86 = 30,549.30 : x
  2. Step 2: Convert to fraction form
    56,042.70/77,337.86 = 30,549.30/x
  3. Step 3: Cross multiply
    56,042.70x = 77,337.86 × 30,549.30
  4. Step 4: Simplify right side
    56,042.70x = 2,362,617,486.50
  5. Step 5: Solve for x
    x = 2,362,617,486.50/56,042.70
  6. Step 6: Final answer
    x = 42,157.45

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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.