Home / 64,718.10-89,317.01-37,858.91

Finding the Fourth Proportional to 64,718.10, 89,317.01 and 37,858.91

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Solution

The fourth proportional to 64,718.10, 89,317.01 and 37,858.91 is: 52,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,718.10 : 89,317.01 = 37,858.91 : x
  2. Step 2: Convert to fraction form
    64,718.10/89,317.01 = 37,858.91/x
  3. Step 3: Cross multiply
    64,718.10x = 89,317.01 × 37,858.91
  4. Step 4: Simplify right side
    64,718.10x = 3,381,444,643.06
  5. Step 5: Solve for x
    x = 3,381,444,643.06/64,718.10
  6. Step 6: Final answer
    x = 52,248.82

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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.