Home / 31,368.90-47,011.82-23,009.78

Finding the Fourth Proportional to 31,368.90, 47,011.82 and 23,009.78

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Solution

The fourth proportional to 31,368.90, 47,011.82 and 23,009.78 is: 34,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.90 : 47,011.82 = 23,009.78 : x
  2. Step 2: Convert to fraction form
    31,368.90/47,011.82 = 23,009.78/x
  3. Step 3: Cross multiply
    31,368.90x = 47,011.82 × 23,009.78
  4. Step 4: Simplify right side
    31,368.90x = 1,081,731,285.49
  5. Step 5: Solve for x
    x = 1,081,731,285.49/31,368.90
  6. Step 6: Final answer
    x = 34,484.20

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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.