Home / 51,838.08-77,798.64-26,885.28

Finding the Fourth Proportional to 51,838.08, 77,798.64 and 26,885.28

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Solution

The fourth proportional to 51,838.08, 77,798.64 and 26,885.28 is: 40,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.08 : 77,798.64 = 26,885.28 : x
  2. Step 2: Convert to fraction form
    51,838.08/77,798.64 = 26,885.28/x
  3. Step 3: Cross multiply
    51,838.08x = 77,798.64 × 26,885.28
  4. Step 4: Simplify right side
    51,838.08x = 2,091,638,220.02
  5. Step 5: Solve for x
    x = 2,091,638,220.02/51,838.08
  6. Step 6: Final answer
    x = 40,349.45

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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.