Home / 30,677.24-42,335.52-19,924.76

Finding the Fourth Proportional to 30,677.24, 42,335.52 and 19,924.76

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Solution

The fourth proportional to 30,677.24, 42,335.52 and 19,924.76 is: 27,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.24 : 42,335.52 = 19,924.76 : x
  2. Step 2: Convert to fraction form
    30,677.24/42,335.52 = 19,924.76/x
  3. Step 3: Cross multiply
    30,677.24x = 42,335.52 × 19,924.76
  4. Step 4: Simplify right side
    30,677.24x = 843,525,075.48
  5. Step 5: Solve for x
    x = 843,525,075.48/30,677.24
  6. Step 6: Final answer
    x = 27,496.77

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Double scale
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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.