Home / 47,574.54-65,547.12-31,413.06

Finding the Fourth Proportional to 47,574.54, 65,547.12 and 31,413.06

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Solution

The fourth proportional to 47,574.54, 65,547.12 and 31,413.06 is: 43,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,574.54 : 65,547.12 = 31,413.06 : x
  2. Step 2: Convert to fraction form
    47,574.54/65,547.12 = 31,413.06/x
  3. Step 3: Cross multiply
    47,574.54x = 65,547.12 × 31,413.06
  4. Step 4: Simplify right side
    47,574.54x = 2,059,035,613.39
  5. Step 5: Solve for x
    x = 2,059,035,613.39/47,574.54
  6. Step 6: Final answer
    x = 43,280.20

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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.