Home / 45,977.52-68,962.64-14,392.40

Finding the Fourth Proportional to 45,977.52, 68,962.64 and 14,392.40

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Solution

The fourth proportional to 45,977.52, 68,962.64 and 14,392.40 is: 21,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.52 : 68,962.64 = 14,392.40 : x
  2. Step 2: Convert to fraction form
    45,977.52/68,962.64 = 14,392.40/x
  3. Step 3: Cross multiply
    45,977.52x = 68,962.64 × 14,392.40
  4. Step 4: Simplify right side
    45,977.52x = 992,537,899.94
  5. Step 5: Solve for x
    x = 992,537,899.94/45,977.52
  6. Step 6: Final answer
    x = 21,587.46

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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.