Home / 45,750.95-63,175.71-28,783.47

Finding the Fourth Proportional to 45,750.95, 63,175.71 and 28,783.47

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Solution

The fourth proportional to 45,750.95, 63,175.71 and 28,783.47 is: 39,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,750.95 : 63,175.71 = 28,783.47 : x
  2. Step 2: Convert to fraction form
    45,750.95/63,175.71 = 28,783.47/x
  3. Step 3: Cross multiply
    45,750.95x = 63,175.71 × 28,783.47
  4. Step 4: Simplify right side
    45,750.95x = 1,818,416,153.51
  5. Step 5: Solve for x
    x = 1,818,416,153.51/45,750.95
  6. Step 6: Final answer
    x = 39,745.98

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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.