Home / 45,615.95-62,946.58-28,619.31

Finding the Fourth Proportional to 45,615.95, 62,946.58 and 28,619.31

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Solution

The fourth proportional to 45,615.95, 62,946.58 and 28,619.31 is: 39,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,615.95 : 62,946.58 = 28,619.31 : x
  2. Step 2: Convert to fraction form
    45,615.95/62,946.58 = 28,619.31/x
  3. Step 3: Cross multiply
    45,615.95x = 62,946.58 × 28,619.31
  4. Step 4: Simplify right side
    45,615.95x = 1,801,487,686.46
  5. Step 5: Solve for x
    x = 1,801,487,686.46/45,615.95
  6. Step 6: Final answer
    x = 39,492.50

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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.