Home / 48,358-66,734.28-28,228.84

Finding the Fourth Proportional to 48,358, 66,734.28 and 28,228.84

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Solution

The fourth proportional to 48,358, 66,734.28 and 28,228.84 is: 38,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,358 : 66,734.28 = 28,228.84 : x
  2. Step 2: Convert to fraction form
    48,358/66,734.28 = 28,228.84/x
  3. Step 3: Cross multiply
    48,358x = 66,734.28 × 28,228.84
  4. Step 4: Simplify right side
    48,358x = 1,883,831,312.64
  5. Step 5: Solve for x
    x = 1,883,831,312.64/48,358
  6. Step 6: Final answer
    x = 38,955.94

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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.