Home / 42,905.13-59,209.10-26,138.13

Finding the Fourth Proportional to 42,905.13, 59,209.10 and 26,138.13

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Solution

The fourth proportional to 42,905.13, 59,209.10 and 26,138.13 is: 36,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,905.13 : 59,209.10 = 26,138.13 : x
  2. Step 2: Convert to fraction form
    42,905.13/59,209.10 = 26,138.13/x
  3. Step 3: Cross multiply
    42,905.13x = 59,209.10 × 26,138.13
  4. Step 4: Simplify right side
    42,905.13x = 1,547,615,152.98
  5. Step 5: Solve for x
    x = 1,547,615,152.98/42,905.13
  6. Step 6: Final answer
    x = 36,070.63

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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.