Home / 46,315.85-63,917.06-28,420.74

Finding the Fourth Proportional to 46,315.85, 63,917.06 and 28,420.74

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Solution

The fourth proportional to 46,315.85, 63,917.06 and 28,420.74 is: 39,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,315.85 : 63,917.06 = 28,420.74 : x
  2. Step 2: Convert to fraction form
    46,315.85/63,917.06 = 28,420.74/x
  3. Step 3: Cross multiply
    46,315.85x = 63,917.06 × 28,420.74
  4. Step 4: Simplify right side
    46,315.85x = 1,816,570,001.72
  5. Step 5: Solve for x
    x = 1,816,570,001.72/46,315.85
  6. Step 6: Final answer
    x = 39,221.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.