Home / 42,392.08-63,594.80-12,806.24

Finding the Fourth Proportional to 42,392.08, 63,594.80 and 12,806.24

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Solution

The fourth proportional to 42,392.08, 63,594.80 and 12,806.24 is: 19,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.08 : 63,594.80 = 12,806.24 : x
  2. Step 2: Convert to fraction form
    42,392.08/63,594.80 = 12,806.24/x
  3. Step 3: Cross multiply
    42,392.08x = 63,594.80 × 12,806.24
  4. Step 4: Simplify right side
    42,392.08x = 814,410,271.55
  5. Step 5: Solve for x
    x = 814,410,271.55/42,392.08
  6. Step 6: Final answer
    x = 19,211.38

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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.