Home / 45,903.69-63,387.48-28,705.53

Finding the Fourth Proportional to 45,903.69, 63,387.48 and 28,705.53

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Solution

The fourth proportional to 45,903.69, 63,387.48 and 28,705.53 is: 39,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.69 : 63,387.48 = 28,705.53 : x
  2. Step 2: Convert to fraction form
    45,903.69/63,387.48 = 28,705.53/x
  3. Step 3: Cross multiply
    45,903.69x = 63,387.48 × 28,705.53
  4. Step 4: Simplify right side
    45,903.69x = 1,819,571,208.76
  5. Step 5: Solve for x
    x = 1,819,571,208.76/45,903.69
  6. Step 6: Final answer
    x = 39,638.89

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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.