Home / 38,971.80-58,457.70-29,130.30

Finding the Fourth Proportional to 38,971.80, 58,457.70 and 29,130.30

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Solution

The fourth proportional to 38,971.80, 58,457.70 and 29,130.30 is: 43,695.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.80 : 58,457.70 = 29,130.30 : x
  2. Step 2: Convert to fraction form
    38,971.80/58,457.70 = 29,130.30/x
  3. Step 3: Cross multiply
    38,971.80x = 58,457.70 × 29,130.30
  4. Step 4: Simplify right side
    38,971.80x = 1,702,890,338.31
  5. Step 5: Solve for x
    x = 1,702,890,338.31/38,971.80
  6. Step 6: Final answer
    x = 43,695.45

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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.