Home / 50,756.04-70,034.98-31,879.72

Finding the Fourth Proportional to 50,756.04, 70,034.98 and 31,879.72

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Solution

The fourth proportional to 50,756.04, 70,034.98 and 31,879.72 is: 43,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.04 : 70,034.98 = 31,879.72 : x
  2. Step 2: Convert to fraction form
    50,756.04/70,034.98 = 31,879.72/x
  3. Step 3: Cross multiply
    50,756.04x = 70,034.98 × 31,879.72
  4. Step 4: Simplify right side
    50,756.04x = 2,232,695,552.61
  5. Step 5: Solve for x
    x = 2,232,695,552.61/50,756.04
  6. Step 6: Final answer
    x = 43,988.77

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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.