Home / 23,030.12-34,365.57-20,547.88

Finding the Fourth Proportional to 23,030.12, 34,365.57 and 20,547.88

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Solution

The fourth proportional to 23,030.12, 34,365.57 and 20,547.88 is: 30,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,030.12 : 34,365.57 = 20,547.88 : x
  2. Step 2: Convert to fraction form
    23,030.12/34,365.57 = 20,547.88/x
  3. Step 3: Cross multiply
    23,030.12x = 34,365.57 × 20,547.88
  4. Step 4: Simplify right side
    23,030.12x = 706,139,445.52
  5. Step 5: Solve for x
    x = 706,139,445.52/23,030.12
  6. Step 6: Final answer
    x = 30,661.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.