Home / 42,560.16-63,840.24-12,977.34

Finding the Fourth Proportional to 42,560.16, 63,840.24 and 12,977.34

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Solution

The fourth proportional to 42,560.16, 63,840.24 and 12,977.34 is: 19,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,560.16 : 63,840.24 = 12,977.34 : x
  2. Step 2: Convert to fraction form
    42,560.16/63,840.24 = 12,977.34/x
  3. Step 3: Cross multiply
    42,560.16x = 63,840.24 × 12,977.34
  4. Step 4: Simplify right side
    42,560.16x = 828,476,500.16
  5. Step 5: Solve for x
    x = 828,476,500.16/42,560.16
  6. Step 6: Final answer
    x = 19,466.01

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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.