Home / 31,506,837.20-47,331,114.60-30,302,237.60

Finding the Fourth Proportional to 31,506,837.20, 47,331,114.60 and 30,302,237.60

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Solution

The fourth proportional to 31,506,837.20, 47,331,114.60 and 30,302,237.60 is: 45,521,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,837.20 : 47,331,114.60 = 30,302,237.60 : x
  2. Step 2: Convert to fraction form
    31,506,837.20/47,331,114.60 = 30,302,237.60/x
  3. Step 3: Cross multiply
    31,506,837.20x = 47,331,114.60 × 30,302,237.60
  4. Step 4: Simplify right side
    31,506,837.20x = 1,434,238,680,482,029
  5. Step 5: Solve for x
    x = 1,434,238,680,482,029/31,506,837.20
  6. Step 6: Final answer
    x = 45,521,506.06

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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.