Home / 40,300.47-55,642.34-25,200.45

Finding the Fourth Proportional to 40,300.47, 55,642.34 and 25,200.45

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Solution

The fourth proportional to 40,300.47, 55,642.34 and 25,200.45 is: 34,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.47 : 55,642.34 = 25,200.45 : x
  2. Step 2: Convert to fraction form
    40,300.47/55,642.34 = 25,200.45/x
  3. Step 3: Cross multiply
    40,300.47x = 55,642.34 × 25,200.45
  4. Step 4: Simplify right side
    40,300.47x = 1,402,212,070.05
  5. Step 5: Solve for x
    x = 1,402,212,070.05/40,300.47
  6. Step 6: Final answer
    x = 34,793.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.