Home / 53,834.45-74,274.81-30,547.06

Finding the Fourth Proportional to 53,834.45, 74,274.81 and 30,547.06

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Solution

The fourth proportional to 53,834.45, 74,274.81 and 30,547.06 is: 42,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.45 : 74,274.81 = 30,547.06 : x
  2. Step 2: Convert to fraction form
    53,834.45/74,274.81 = 30,547.06/x
  3. Step 3: Cross multiply
    53,834.45x = 74,274.81 × 30,547.06
  4. Step 4: Simplify right side
    53,834.45x = 2,268,876,949.15
  5. Step 5: Solve for x
    x = 2,268,876,949.15/53,834.45
  6. Step 6: Final answer
    x = 42,145.45

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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.