Home / 45,038.89-62,155.65-28,053.19

Finding the Fourth Proportional to 45,038.89, 62,155.65 and 28,053.19

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Solution

The fourth proportional to 45,038.89, 62,155.65 and 28,053.19 is: 38,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.89 : 62,155.65 = 28,053.19 : x
  2. Step 2: Convert to fraction form
    45,038.89/62,155.65 = 28,053.19/x
  3. Step 3: Cross multiply
    45,038.89x = 62,155.65 × 28,053.19
  4. Step 4: Simplify right side
    45,038.89x = 1,743,664,259.02
  5. Step 5: Solve for x
    x = 1,743,664,259.02/45,038.89
  6. Step 6: Final answer
    x = 38,714.64

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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.