Home / 53,340.10-80,014.95-13,897.55

Finding the Fourth Proportional to 53,340.10, 80,014.95 and 13,897.55

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Solution

The fourth proportional to 53,340.10, 80,014.95 and 13,897.55 is: 20,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340.10 : 80,014.95 = 13,897.55 : x
  2. Step 2: Convert to fraction form
    53,340.10/80,014.95 = 13,897.55/x
  3. Step 3: Cross multiply
    53,340.10x = 80,014.95 × 13,897.55
  4. Step 4: Simplify right side
    53,340.10x = 1,112,011,968.41
  5. Step 5: Solve for x
    x = 1,112,011,968.41/53,340.10
  6. Step 6: Final answer
    x = 20,847.58

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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.