Home / 64,645.14-96,967.71-20,275.77

Finding the Fourth Proportional to 64,645.14, 96,967.71 and 20,275.77

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Solution

The fourth proportional to 64,645.14, 96,967.71 and 20,275.77 is: 30,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645.14 : 96,967.71 = 20,275.77 : x
  2. Step 2: Convert to fraction form
    64,645.14/96,967.71 = 20,275.77/x
  3. Step 3: Cross multiply
    64,645.14x = 96,967.71 × 20,275.77
  4. Step 4: Simplify right side
    64,645.14x = 1,966,094,985.39
  5. Step 5: Solve for x
    x = 1,966,094,985.39/64,645.14
  6. Step 6: Final answer
    x = 30,413.66

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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.