Home / 23,699.81-35,445.14-21,085.66

Finding the Fourth Proportional to 23,699.81, 35,445.14 and 21,085.66

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Solution

The fourth proportional to 23,699.81, 35,445.14 and 21,085.66 is: 31,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.81 : 35,445.14 = 21,085.66 : x
  2. Step 2: Convert to fraction form
    23,699.81/35,445.14 = 21,085.66/x
  3. Step 3: Cross multiply
    23,699.81x = 35,445.14 × 21,085.66
  4. Step 4: Simplify right side
    23,699.81x = 747,384,134.79
  5. Step 5: Solve for x
    x = 747,384,134.79/23,699.81
  6. Step 6: Final answer
    x = 31,535.45

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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.