Home / 52,790.04-72,848.30-28,916.91

Finding the Fourth Proportional to 52,790.04, 72,848.30 and 28,916.91

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Solution

The fourth proportional to 52,790.04, 72,848.30 and 28,916.91 is: 39,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.04 : 72,848.30 = 28,916.91 : x
  2. Step 2: Convert to fraction form
    52,790.04/72,848.30 = 28,916.91/x
  3. Step 3: Cross multiply
    52,790.04x = 72,848.30 × 28,916.91
  4. Step 4: Simplify right side
    52,790.04x = 2,106,547,590.17
  5. Step 5: Solve for x
    x = 2,106,547,590.17/52,790.04
  6. Step 6: Final answer
    x = 39,904.26

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1.5x scale

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.