Home / 46,078.65-69,122.88-12,798.78

Finding the Fourth Proportional to 46,078.65, 69,122.88 and 12,798.78

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Solution

The fourth proportional to 46,078.65, 69,122.88 and 12,798.78 is: 19,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,078.65 : 69,122.88 = 12,798.78 : x
  2. Step 2: Convert to fraction form
    46,078.65/69,122.88 = 12,798.78/x
  3. Step 3: Cross multiply
    46,078.65x = 69,122.88 × 12,798.78
  4. Step 4: Simplify right side
    46,078.65x = 884,688,534.09
  5. Step 5: Solve for x
    x = 884,688,534.09/46,078.65
  6. Step 6: Final answer
    x = 19,199.53

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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.