Home / 34,547.13-47,679.30-19,440.45

Finding the Fourth Proportional to 34,547.13, 47,679.30 and 19,440.45

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Solution

The fourth proportional to 34,547.13, 47,679.30 and 19,440.45 is: 26,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,547.13 : 47,679.30 = 19,440.45 : x
  2. Step 2: Convert to fraction form
    34,547.13/47,679.30 = 19,440.45/x
  3. Step 3: Cross multiply
    34,547.13x = 47,679.30 × 19,440.45
  4. Step 4: Simplify right side
    34,547.13x = 926,907,047.69
  5. Step 5: Solve for x
    x = 926,907,047.69/34,547.13
  6. Step 6: Final answer
    x = 26,830.22

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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.