Home / 53,835.11-74,275.71-30,547.71

Finding the Fourth Proportional to 53,835.11, 74,275.71 and 30,547.71

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Solution

The fourth proportional to 53,835.11, 74,275.71 and 30,547.71 is: 42,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835.11 : 74,275.71 = 30,547.71 : x
  2. Step 2: Convert to fraction form
    53,835.11/74,275.71 = 30,547.71/x
  3. Step 3: Cross multiply
    53,835.11x = 74,275.71 × 30,547.71
  4. Step 4: Simplify right side
    53,835.11x = 2,268,952,849.12
  5. Step 5: Solve for x
    x = 2,268,952,849.12/53,835.11
  6. Step 6: Final answer
    x = 42,146.34

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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.