Home / 52,511.12-72,463.16-28,637.36

Finding the Fourth Proportional to 52,511.12, 72,463.16 and 28,637.36

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Solution

The fourth proportional to 52,511.12, 72,463.16 and 28,637.36 is: 39,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,511.12 : 72,463.16 = 28,637.36 : x
  2. Step 2: Convert to fraction form
    52,511.12/72,463.16 = 28,637.36/x
  3. Step 3: Cross multiply
    52,511.12x = 72,463.16 × 28,637.36
  4. Step 4: Simplify right side
    52,511.12x = 2,075,153,599.66
  5. Step 5: Solve for x
    x = 2,075,153,599.66/52,511.12
  6. Step 6: Final answer
    x = 39,518.36

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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.