Home / 42,045.85-63,075.39-12,466.63

Finding the Fourth Proportional to 42,045.85, 63,075.39 and 12,466.63

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Solution

The fourth proportional to 42,045.85, 63,075.39 and 12,466.63 is: 18,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,045.85 : 63,075.39 = 12,466.63 : x
  2. Step 2: Convert to fraction form
    42,045.85/63,075.39 = 12,466.63/x
  3. Step 3: Cross multiply
    42,045.85x = 63,075.39 × 12,466.63
  4. Step 4: Simplify right side
    42,045.85x = 786,337,549.24
  5. Step 5: Solve for x
    x = 786,337,549.24/42,045.85
  6. Step 6: Final answer
    x = 18,701.91

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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.