Home / 53,103.15-73,280.94-28,904.58

Finding the Fourth Proportional to 53,103.15, 73,280.94 and 28,904.58

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Solution

The fourth proportional to 53,103.15, 73,280.94 and 28,904.58 is: 39,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.15 : 73,280.94 = 28,904.58 : x
  2. Step 2: Convert to fraction form
    53,103.15/73,280.94 = 28,904.58/x
  3. Step 3: Cross multiply
    53,103.15x = 73,280.94 × 28,904.58
  4. Step 4: Simplify right side
    53,103.15x = 2,118,154,792.71
  5. Step 5: Solve for x
    x = 2,118,154,792.71/53,103.15
  6. Step 6: Final answer
    x = 39,887.55

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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.