Home / 35,439.48-53,151.89-15,705.45

Finding the Fourth Proportional to 35,439.48, 53,151.89 and 15,705.45

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Solution

The fourth proportional to 35,439.48, 53,151.89 and 15,705.45 is: 23,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.48 : 53,151.89 = 15,705.45 : x
  2. Step 2: Convert to fraction form
    35,439.48/53,151.89 = 15,705.45/x
  3. Step 3: Cross multiply
    35,439.48x = 53,151.89 × 15,705.45
  4. Step 4: Simplify right side
    35,439.48x = 834,774,272.27
  5. Step 5: Solve for x
    x = 834,774,272.27/35,439.48
  6. Step 6: Final answer
    x = 23,554.92

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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.