Home / 39,283.34-58,934.23-12,988.08

Finding the Fourth Proportional to 39,283.34, 58,934.23 and 12,988.08

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Solution

The fourth proportional to 39,283.34, 58,934.23 and 12,988.08 is: 19,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,283.34 : 58,934.23 = 12,988.08 : x
  2. Step 2: Convert to fraction form
    39,283.34/58,934.23 = 12,988.08/x
  3. Step 3: Cross multiply
    39,283.34x = 58,934.23 × 12,988.08
  4. Step 4: Simplify right side
    39,283.34x = 765,442,461.51
  5. Step 5: Solve for x
    x = 765,442,461.51/39,283.34
  6. Step 6: Final answer
    x = 19,485.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.