Home / 42,011.17-63,026.56-13,929.17

Finding the Fourth Proportional to 42,011.17, 63,026.56 and 13,929.17

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Solution

The fourth proportional to 42,011.17, 63,026.56 and 13,929.17 is: 20,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.17 : 63,026.56 = 13,929.17 : x
  2. Step 2: Convert to fraction form
    42,011.17/63,026.56 = 13,929.17/x
  3. Step 3: Cross multiply
    42,011.17x = 63,026.56 × 13,929.17
  4. Step 4: Simplify right side
    42,011.17x = 877,907,599.11
  5. Step 5: Solve for x
    x = 877,907,599.11/42,011.17
  6. Step 6: Final answer
    x = 20,897.00

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1.5x scale

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.