Home / 45,707.60-68,561.40-39,875.60

Finding the Fourth Proportional to 45,707.60, 68,561.40 and 39,875.60

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Solution

The fourth proportional to 45,707.60, 68,561.40 and 39,875.60 is: 59,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,707.60 : 68,561.40 = 39,875.60 : x
  2. Step 2: Convert to fraction form
    45,707.60/68,561.40 = 39,875.60/x
  3. Step 3: Cross multiply
    45,707.60x = 68,561.40 × 39,875.60
  4. Step 4: Simplify right side
    45,707.60x = 2,733,926,961.84
  5. Step 5: Solve for x
    x = 2,733,926,961.84/45,707.60
  6. Step 6: Final answer
    x = 59,813.40

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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.