Home / 34,506.39-47,620.53-21,075.47

Finding the Fourth Proportional to 34,506.39, 47,620.53 and 21,075.47

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Solution

The fourth proportional to 34,506.39, 47,620.53 and 21,075.47 is: 29,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506.39 : 47,620.53 = 21,075.47 : x
  2. Step 2: Convert to fraction form
    34,506.39/47,620.53 = 21,075.47/x
  3. Step 3: Cross multiply
    34,506.39x = 47,620.53 × 21,075.47
  4. Step 4: Simplify right side
    34,506.39x = 1,003,625,051.40
  5. Step 5: Solve for x
    x = 1,003,625,051.40/34,506.39
  6. Step 6: Final answer
    x = 29,085.19

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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.