Home / 31,288.27-46,928.75-12,567.55

Finding the Fourth Proportional to 31,288.27, 46,928.75 and 12,567.55

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Solution

The fourth proportional to 31,288.27, 46,928.75 and 12,567.55 is: 18,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.27 : 46,928.75 = 12,567.55 : x
  2. Step 2: Convert to fraction form
    31,288.27/46,928.75 = 12,567.55/x
  3. Step 3: Cross multiply
    31,288.27x = 46,928.75 × 12,567.55
  4. Step 4: Simplify right side
    31,288.27x = 589,779,412.06
  5. Step 5: Solve for x
    x = 589,779,412.06/31,288.27
  6. Step 6: Final answer
    x = 18,849.86

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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.