Home / 51,070.48-76,686.36-30,386.32

Finding the Fourth Proportional to 51,070.48, 76,686.36 and 30,386.32

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Solution

The fourth proportional to 51,070.48, 76,686.36 and 30,386.32 is: 45,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,070.48 : 76,686.36 = 30,386.32 : x
  2. Step 2: Convert to fraction form
    51,070.48/76,686.36 = 30,386.32/x
  3. Step 3: Cross multiply
    51,070.48x = 76,686.36 × 30,386.32
  4. Step 4: Simplify right side
    51,070.48x = 2,330,216,274.60
  5. Step 5: Solve for x
    x = 2,330,216,274.60/51,070.48
  6. Step 6: Final answer
    x = 45,627.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.