Home / 52,364.07-78,550.29-31,446.63

Finding the Fourth Proportional to 52,364.07, 78,550.29 and 31,446.63

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Solution

The fourth proportional to 52,364.07, 78,550.29 and 31,446.63 is: 47,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,364.07 : 78,550.29 = 31,446.63 : x
  2. Step 2: Convert to fraction form
    52,364.07/78,550.29 = 31,446.63/x
  3. Step 3: Cross multiply
    52,364.07x = 78,550.29 × 31,446.63
  4. Step 4: Simplify right side
    52,364.07x = 2,470,141,906.02
  5. Step 5: Solve for x
    x = 2,470,141,906.02/52,364.07
  6. Step 6: Final answer
    x = 47,172.46

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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.