Home / 31,017.58-46,531.85-12,300.50

Finding the Fourth Proportional to 31,017.58, 46,531.85 and 12,300.50

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Solution

The fourth proportional to 31,017.58, 46,531.85 and 12,300.50 is: 18,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.58 : 46,531.85 = 12,300.50 : x
  2. Step 2: Convert to fraction form
    31,017.58/46,531.85 = 12,300.50/x
  3. Step 3: Cross multiply
    31,017.58x = 46,531.85 × 12,300.50
  4. Step 4: Simplify right side
    31,017.58x = 572,365,075.75
  5. Step 5: Solve for x
    x = 572,365,075.75/31,017.58
  6. Step 6: Final answer
    x = 18,452.93

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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.