Home / 42,410.10-63,615.15-12,848.70

Finding the Fourth Proportional to 42,410.10, 63,615.15 and 12,848.70

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Solution

The fourth proportional to 42,410.10, 63,615.15 and 12,848.70 is: 19,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410.10 : 63,615.15 = 12,848.70 : x
  2. Step 2: Convert to fraction form
    42,410.10/63,615.15 = 12,848.70/x
  3. Step 3: Cross multiply
    42,410.10x = 63,615.15 × 12,848.70
  4. Step 4: Simplify right side
    42,410.10x = 817,371,977.81
  5. Step 5: Solve for x
    x = 817,371,977.81/42,410.10
  6. Step 6: Final answer
    x = 19,273.05

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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.