Home / 51,303.83-70,792.40-28,639.53

Finding the Fourth Proportional to 51,303.83, 70,792.40 and 28,639.53

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Solution

The fourth proportional to 51,303.83, 70,792.40 and 28,639.53 is: 39,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.83 : 70,792.40 = 28,639.53 : x
  2. Step 2: Convert to fraction form
    51,303.83/70,792.40 = 28,639.53/x
  3. Step 3: Cross multiply
    51,303.83x = 70,792.40 × 28,639.53
  4. Step 4: Simplify right side
    51,303.83x = 2,027,461,135.17
  5. Step 5: Solve for x
    x = 2,027,461,135.17/51,303.83
  6. Step 6: Final answer
    x = 39,518.71

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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.