Home / 53,750.08-80,632.42-18,685.20

Finding the Fourth Proportional to 53,750.08, 80,632.42 and 18,685.20

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Solution

The fourth proportional to 53,750.08, 80,632.42 and 18,685.20 is: 28,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,750.08 : 80,632.42 = 18,685.20 : x
  2. Step 2: Convert to fraction form
    53,750.08/80,632.42 = 18,685.20/x
  3. Step 3: Cross multiply
    53,750.08x = 80,632.42 × 18,685.20
  4. Step 4: Simplify right side
    53,750.08x = 1,506,632,894.18
  5. Step 5: Solve for x
    x = 1,506,632,894.18/53,750.08
  6. Step 6: Final answer
    x = 28,030.34

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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.