Home / 45,396.80-68,095.20-42,017.60

Finding the Fourth Proportional to 45,396.80, 68,095.20 and 42,017.60

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Solution

The fourth proportional to 45,396.80, 68,095.20 and 42,017.60 is: 63,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.80 : 68,095.20 = 42,017.60 : x
  2. Step 2: Convert to fraction form
    45,396.80/68,095.20 = 42,017.60/x
  3. Step 3: Cross multiply
    45,396.80x = 68,095.20 × 42,017.60
  4. Step 4: Simplify right side
    45,396.80x = 2,861,196,875.52
  5. Step 5: Solve for x
    x = 2,861,196,875.52/45,396.80
  6. Step 6: Final answer
    x = 63,026.40

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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.