Home / 31,075.17-46,594.32-12,345.15

Finding the Fourth Proportional to 31,075.17, 46,594.32 and 12,345.15

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Solution

The fourth proportional to 31,075.17, 46,594.32 and 12,345.15 is: 18,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.17 : 46,594.32 = 12,345.15 : x
  2. Step 2: Convert to fraction form
    31,075.17/46,594.32 = 12,345.15/x
  3. Step 3: Cross multiply
    31,075.17x = 46,594.32 × 12,345.15
  4. Step 4: Simplify right side
    31,075.17x = 575,213,869.55
  5. Step 5: Solve for x
    x = 575,213,869.55/31,075.17
  6. Step 6: Final answer
    x = 18,510.40

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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.