Home / 63,143.04-87,138-34,848.12

Finding the Fourth Proportional to 63,143.04, 87,138 and 34,848.12

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Solution

The fourth proportional to 63,143.04, 87,138 and 34,848.12 is: 48,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.04 : 87,138 = 34,848.12 : x
  2. Step 2: Convert to fraction form
    63,143.04/87,138 = 34,848.12/x
  3. Step 3: Cross multiply
    63,143.04x = 87,138 × 34,848.12
  4. Step 4: Simplify right side
    63,143.04x = 3,036,595,480.56
  5. Step 5: Solve for x
    x = 3,036,595,480.56/63,143.04
  6. Step 6: Final answer
    x = 48,090.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.