Home / 53,347.12-80,020.74-13,904.20

Finding the Fourth Proportional to 53,347.12, 80,020.74 and 13,904.20

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Solution

The fourth proportional to 53,347.12, 80,020.74 and 13,904.20 is: 20,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.12 : 80,020.74 = 13,904.20 : x
  2. Step 2: Convert to fraction form
    53,347.12/80,020.74 = 13,904.20/x
  3. Step 3: Cross multiply
    53,347.12x = 80,020.74 × 13,904.20
  4. Step 4: Simplify right side
    53,347.12x = 1,112,624,373.11
  5. Step 5: Solve for x
    x = 1,112,624,373.11/53,347.12
  6. Step 6: Final answer
    x = 20,856.32

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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.