Home / 35,904.57-49,547.43-19,988.68

Finding the Fourth Proportional to 35,904.57, 49,547.43 and 19,988.68

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Solution

The fourth proportional to 35,904.57, 49,547.43 and 19,988.68 is: 27,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,904.57 : 49,547.43 = 19,988.68 : x
  2. Step 2: Convert to fraction form
    35,904.57/49,547.43 = 19,988.68/x
  3. Step 3: Cross multiply
    35,904.57x = 49,547.43 × 19,988.68
  4. Step 4: Simplify right side
    35,904.57x = 990,387,723.09
  5. Step 5: Solve for x
    x = 990,387,723.09/35,904.57
  6. Step 6: Final answer
    x = 27,583.89

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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.