Home / 58,002.12-86,889.90-39,987.16

Finding the Fourth Proportional to 58,002.12, 86,889.90 and 39,987.16

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Solution

The fourth proportional to 58,002.12, 86,889.90 and 39,987.16 is: 59,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,002.12 : 86,889.90 = 39,987.16 : x
  2. Step 2: Convert to fraction form
    58,002.12/86,889.90 = 39,987.16/x
  3. Step 3: Cross multiply
    58,002.12x = 86,889.90 × 39,987.16
  4. Step 4: Simplify right side
    58,002.12x = 3,474,480,266.41
  5. Step 5: Solve for x
    x = 3,474,480,266.41/58,002.12
  6. Step 6: Final answer
    x = 59,902.64

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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.