Home / 46,429.79-64,068.68-28,521.90

Finding the Fourth Proportional to 46,429.79, 64,068.68 and 28,521.90

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Solution

The fourth proportional to 46,429.79, 64,068.68 and 28,521.90 is: 39,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,429.79 : 64,068.68 = 28,521.90 : x
  2. Step 2: Convert to fraction form
    46,429.79/64,068.68 = 28,521.90/x
  3. Step 3: Cross multiply
    46,429.79x = 64,068.68 × 28,521.90
  4. Step 4: Simplify right side
    46,429.79x = 1,827,360,341.48
  5. Step 5: Solve for x
    x = 1,827,360,341.48/46,429.79
  6. Step 6: Final answer
    x = 39,357.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.