Home / 51,373.12-70,888.93-28,712.16

Finding the Fourth Proportional to 51,373.12, 70,888.93 and 28,712.16

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Solution

The fourth proportional to 51,373.12, 70,888.93 and 28,712.16 is: 39,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.12 : 70,888.93 = 28,712.16 : x
  2. Step 2: Convert to fraction form
    51,373.12/70,888.93 = 28,712.16/x
  3. Step 3: Cross multiply
    51,373.12x = 70,888.93 × 28,712.16
  4. Step 4: Simplify right side
    51,373.12x = 2,035,374,159.06
  5. Step 5: Solve for x
    x = 2,035,374,159.06/51,373.12
  6. Step 6: Final answer
    x = 39,619.44

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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.