Home / 42,050.12-63,075.41-12,468.20

Finding the Fourth Proportional to 42,050.12, 63,075.41 and 12,468.20

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Solution

The fourth proportional to 42,050.12, 63,075.41 and 12,468.20 is: 18,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,050.12 : 63,075.41 = 12,468.20 : x
  2. Step 2: Convert to fraction form
    42,050.12/63,075.41 = 12,468.20/x
  3. Step 3: Cross multiply
    42,050.12x = 63,075.41 × 12,468.20
  4. Step 4: Simplify right side
    42,050.12x = 786,436,826.96
  5. Step 5: Solve for x
    x = 786,436,826.96/42,050.12
  6. Step 6: Final answer
    x = 18,702.37

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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.