Home / 53,005.15-79,510.74-15,051.45

Finding the Fourth Proportional to 53,005.15, 79,510.74 and 15,051.45

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Solution

The fourth proportional to 53,005.15, 79,510.74 and 15,051.45 is: 22,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.15 : 79,510.74 = 15,051.45 : x
  2. Step 2: Convert to fraction form
    53,005.15/79,510.74 = 15,051.45/x
  3. Step 3: Cross multiply
    53,005.15x = 79,510.74 × 15,051.45
  4. Step 4: Simplify right side
    53,005.15x = 1,196,751,927.57
  5. Step 5: Solve for x
    x = 1,196,751,927.57/53,005.15
  6. Step 6: Final answer
    x = 22,578.03

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1.5x scale

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.