Home / 51,008.01-70,386.57-28,345.58

Finding the Fourth Proportional to 51,008.01, 70,386.57 and 28,345.58

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Solution

The fourth proportional to 51,008.01, 70,386.57 and 28,345.58 is: 39,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008.01 : 70,386.57 = 28,345.58 : x
  2. Step 2: Convert to fraction form
    51,008.01/70,386.57 = 28,345.58/x
  3. Step 3: Cross multiply
    51,008.01x = 70,386.57 × 28,345.58
  4. Step 4: Simplify right side
    51,008.01x = 1,995,147,798.93
  5. Step 5: Solve for x
    x = 1,995,147,798.93/51,008.01
  6. Step 6: Final answer
    x = 39,114.40

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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.