Home / 39,802.81-54,935.72-22,818.45

Finding the Fourth Proportional to 39,802.81, 54,935.72 and 22,818.45

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Solution

The fourth proportional to 39,802.81, 54,935.72 and 22,818.45 is: 31,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.81 : 54,935.72 = 22,818.45 : x
  2. Step 2: Convert to fraction form
    39,802.81/54,935.72 = 22,818.45/x
  3. Step 3: Cross multiply
    39,802.81x = 54,935.72 × 22,818.45
  4. Step 4: Simplify right side
    39,802.81x = 1,253,547,980.03
  5. Step 5: Solve for x
    x = 1,253,547,980.03/39,802.81
  6. Step 6: Final answer
    x = 31,493.96

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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.