Home / 51,119.06-70,543.55-28,458.01

Finding the Fourth Proportional to 51,119.06, 70,543.55 and 28,458.01

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Solution

The fourth proportional to 51,119.06, 70,543.55 and 28,458.01 is: 39,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.06 : 70,543.55 = 28,458.01 : x
  2. Step 2: Convert to fraction form
    51,119.06/70,543.55 = 28,458.01/x
  3. Step 3: Cross multiply
    51,119.06x = 70,543.55 × 28,458.01
  4. Step 4: Simplify right side
    51,119.06x = 2,007,529,051.34
  5. Step 5: Solve for x
    x = 2,007,529,051.34/51,119.06
  6. Step 6: Final answer
    x = 39,271.63

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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.