Home / 35,903.49-49,547.58-19,988.97

Finding the Fourth Proportional to 35,903.49, 49,547.58 and 19,988.97

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Solution

The fourth proportional to 35,903.49, 49,547.58 and 19,988.97 is: 27,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.49 : 49,547.58 = 19,988.97 : x
  2. Step 2: Convert to fraction form
    35,903.49/49,547.58 = 19,988.97/x
  3. Step 3: Cross multiply
    35,903.49x = 49,547.58 × 19,988.97
  4. Step 4: Simplify right side
    35,903.49x = 990,405,090.19
  5. Step 5: Solve for x
    x = 990,405,090.19/35,903.49
  6. Step 6: Final answer
    x = 27,585.20

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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.