Home / 30,750.36-46,139.28-14,946.72

Finding the Fourth Proportional to 30,750.36, 46,139.28 and 14,946.72

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Solution

The fourth proportional to 30,750.36, 46,139.28 and 14,946.72 is: 22,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.36 : 46,139.28 = 14,946.72 : x
  2. Step 2: Convert to fraction form
    30,750.36/46,139.28 = 14,946.72/x
  3. Step 3: Cross multiply
    30,750.36x = 46,139.28 × 14,946.72
  4. Step 4: Simplify right side
    30,750.36x = 689,630,899.16
  5. Step 5: Solve for x
    x = 689,630,899.16/30,750.36
  6. Step 6: Final answer
    x = 22,426.76

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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.