Home / 70,281.20-105,436.20-23,567.60

Finding the Fourth Proportional to 70,281.20, 105,436.20 and 23,567.60

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Solution

The fourth proportional to 70,281.20, 105,436.20 and 23,567.60 is: 35,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,281.20 : 105,436.20 = 23,567.60 : x
  2. Step 2: Convert to fraction form
    70,281.20/105,436.20 = 23,567.60/x
  3. Step 3: Cross multiply
    70,281.20x = 105,436.20 × 23,567.60
  4. Step 4: Simplify right side
    70,281.20x = 2,484,878,187.12
  5. Step 5: Solve for x
    x = 2,484,878,187.12/70,281.20
  6. Step 6: Final answer
    x = 35,356.23

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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.