Home / 56,045.04-77,343.06-30,894.54

Finding the Fourth Proportional to 56,045.04, 77,343.06 and 30,894.54

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Solution

The fourth proportional to 56,045.04, 77,343.06 and 30,894.54 is: 42,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,045.04 : 77,343.06 = 30,894.54 : x
  2. Step 2: Convert to fraction form
    56,045.04/77,343.06 = 30,894.54/x
  3. Step 3: Cross multiply
    56,045.04x = 77,343.06 × 30,894.54
  4. Step 4: Simplify right side
    56,045.04x = 2,389,478,260.89
  5. Step 5: Solve for x
    x = 2,389,478,260.89/56,045.04
  6. Step 6: Final answer
    x = 42,634.96

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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.