Home / 39,770.95-59,655.07-10,189.08

Finding the Fourth Proportional to 39,770.95, 59,655.07 and 10,189.08

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Solution

The fourth proportional to 39,770.95, 59,655.07 and 10,189.08 is: 15,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,770.95 : 59,655.07 = 10,189.08 : x
  2. Step 2: Convert to fraction form
    39,770.95/59,655.07 = 10,189.08/x
  3. Step 3: Cross multiply
    39,770.95x = 59,655.07 × 10,189.08
  4. Step 4: Simplify right side
    39,770.95x = 607,830,280.64
  5. Step 5: Solve for x
    x = 607,830,280.64/39,770.95
  6. Step 6: Final answer
    x = 15,283.27

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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.