Home / 51,501.71-71,075.93-28,842.57

Finding the Fourth Proportional to 51,501.71, 71,075.93 and 28,842.57

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Solution

The fourth proportional to 51,501.71, 71,075.93 and 28,842.57 is: 39,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,501.71 : 71,075.93 = 28,842.57 : x
  2. Step 2: Convert to fraction form
    51,501.71/71,075.93 = 28,842.57/x
  3. Step 3: Cross multiply
    51,501.71x = 71,075.93 × 28,842.57
  4. Step 4: Simplify right side
    51,501.71x = 2,050,012,342.13
  5. Step 5: Solve for x
    x = 2,050,012,342.13/51,501.71
  6. Step 6: Final answer
    x = 39,804.75

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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.