Home / 86,690.89-130,024.58-23,515.08

Finding the Fourth Proportional to 86,690.89, 130,024.58 and 23,515.08

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Solution

The fourth proportional to 86,690.89, 130,024.58 and 23,515.08 is: 35,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,690.89 : 130,024.58 = 23,515.08 : x
  2. Step 2: Convert to fraction form
    86,690.89/130,024.58 = 23,515.08/x
  3. Step 3: Cross multiply
    86,690.89x = 130,024.58 × 23,515.08
  4. Step 4: Simplify right side
    86,690.89x = 3,057,538,400.67
  5. Step 5: Solve for x
    x = 3,057,538,400.67/86,690.89
  6. Step 6: Final answer
    x = 35,269.43

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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.