Home / 64,723.77-97,085.66-20,354.40

Finding the Fourth Proportional to 64,723.77, 97,085.66 and 20,354.40

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Solution

The fourth proportional to 64,723.77, 97,085.66 and 20,354.40 is: 30,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.77 : 97,085.66 = 20,354.40 : x
  2. Step 2: Convert to fraction form
    64,723.77/97,085.66 = 20,354.40/x
  3. Step 3: Cross multiply
    64,723.77x = 97,085.66 × 20,354.40
  4. Step 4: Simplify right side
    64,723.77x = 1,976,120,256.13
  5. Step 5: Solve for x
    x = 1,976,120,256.13/64,723.77
  6. Step 6: Final answer
    x = 30,531.60

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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.