Home / 51,009.09-70,392.48-28,347.36

Finding the Fourth Proportional to 51,009.09, 70,392.48 and 28,347.36

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Solution

The fourth proportional to 51,009.09, 70,392.48 and 28,347.36 is: 39,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.09 : 70,392.48 = 28,347.36 : x
  2. Step 2: Convert to fraction form
    51,009.09/70,392.48 = 28,347.36/x
  3. Step 3: Cross multiply
    51,009.09x = 70,392.48 × 28,347.36
  4. Step 4: Simplify right side
    51,009.09x = 1,995,440,830.12
  5. Step 5: Solve for x
    x = 1,995,440,830.12/51,009.09
  6. Step 6: Final answer
    x = 39,119.32

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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.