Home / 53,412.01-80,061.51-20,117.67

Finding the Fourth Proportional to 53,412.01, 80,061.51 and 20,117.67

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Solution

The fourth proportional to 53,412.01, 80,061.51 and 20,117.67 is: 30,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.01 : 80,061.51 = 20,117.67 : x
  2. Step 2: Convert to fraction form
    53,412.01/80,061.51 = 20,117.67/x
  3. Step 3: Cross multiply
    53,412.01x = 80,061.51 × 20,117.67
  4. Step 4: Simplify right side
    53,412.01x = 1,610,650,813.09
  5. Step 5: Solve for x
    x = 1,610,650,813.09/53,412.01
  6. Step 6: Final answer
    x = 30,155.22

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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.