Home / 29,312.04-43,971.80-9,314.39

Finding the Fourth Proportional to 29,312.04, 43,971.80 and 9,314.39

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Solution

The fourth proportional to 29,312.04, 43,971.80 and 9,314.39 is: 13,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.04 : 43,971.80 = 9,314.39 : x
  2. Step 2: Convert to fraction form
    29,312.04/43,971.80 = 9,314.39/x
  3. Step 3: Cross multiply
    29,312.04x = 43,971.80 × 9,314.39
  4. Step 4: Simplify right side
    29,312.04x = 409,570,557.56
  5. Step 5: Solve for x
    x = 409,570,557.56/29,312.04
  6. Step 6: Final answer
    x = 13,972.77

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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.