Home / 30,985.59-42,746.16-19,044.57

Finding the Fourth Proportional to 30,985.59, 42,746.16 and 19,044.57

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Solution

The fourth proportional to 30,985.59, 42,746.16 and 19,044.57 is: 26,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985.59 : 42,746.16 = 19,044.57 : x
  2. Step 2: Convert to fraction form
    30,985.59/42,746.16 = 19,044.57/x
  3. Step 3: Cross multiply
    30,985.59x = 42,746.16 × 19,044.57
  4. Step 4: Simplify right side
    30,985.59x = 814,082,236.35
  5. Step 5: Solve for x
    x = 814,082,236.35/30,985.59
  6. Step 6: Final answer
    x = 26,272.93

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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.