Home / 30,230.60-45,345.90-25,759.40

Finding the Fourth Proportional to 30,230.60, 45,345.90 and 25,759.40

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Solution

The fourth proportional to 30,230.60, 45,345.90 and 25,759.40 is: 38,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.60 : 45,345.90 = 25,759.40 : x
  2. Step 2: Convert to fraction form
    30,230.60/45,345.90 = 25,759.40/x
  3. Step 3: Cross multiply
    30,230.60x = 45,345.90 × 25,759.40
  4. Step 4: Simplify right side
    30,230.60x = 1,168,083,176.46
  5. Step 5: Solve for x
    x = 1,168,083,176.46/30,230.60
  6. Step 6: Final answer
    x = 38,639.10

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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.