Home / 42,703.02-64,048.44-26,859.72

Finding the Fourth Proportional to 42,703.02, 64,048.44 and 26,859.72

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Solution

The fourth proportional to 42,703.02, 64,048.44 and 26,859.72 is: 40,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703.02 : 64,048.44 = 26,859.72 : x
  2. Step 2: Convert to fraction form
    42,703.02/64,048.44 = 26,859.72/x
  3. Step 3: Cross multiply
    42,703.02x = 64,048.44 × 26,859.72
  4. Step 4: Simplify right side
    42,703.02x = 1,720,323,164.84
  5. Step 5: Solve for x
    x = 1,720,323,164.84/42,703.02
  6. Step 6: Final answer
    x = 40,285.75

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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.