Home / 32,808.56-45,275.72-18,661.40

Finding the Fourth Proportional to 32,808.56, 45,275.72 and 18,661.40

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Solution

The fourth proportional to 32,808.56, 45,275.72 and 18,661.40 is: 25,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.56 : 45,275.72 = 18,661.40 : x
  2. Step 2: Convert to fraction form
    32,808.56/45,275.72 = 18,661.40/x
  3. Step 3: Cross multiply
    32,808.56x = 45,275.72 × 18,661.40
  4. Step 4: Simplify right side
    32,808.56x = 844,908,001.52
  5. Step 5: Solve for x
    x = 844,908,001.52/32,808.56
  6. Step 6: Final answer
    x = 25,752.67

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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.