Home / 42,210.09-63,293.49-14,120.10

Finding the Fourth Proportional to 42,210.09, 63,293.49 and 14,120.10

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Solution

The fourth proportional to 42,210.09, 63,293.49 and 14,120.10 is: 21,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.09 : 63,293.49 = 14,120.10 : x
  2. Step 2: Convert to fraction form
    42,210.09/63,293.49 = 14,120.10/x
  3. Step 3: Cross multiply
    42,210.09x = 63,293.49 × 14,120.10
  4. Step 4: Simplify right side
    42,210.09x = 893,710,408.15
  5. Step 5: Solve for x
    x = 893,710,408.15/42,210.09
  6. Step 6: Final answer
    x = 21,172.91

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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.