Home / 64,707.06-89,271.42-37,840.98

Finding the Fourth Proportional to 64,707.06, 89,271.42 and 37,840.98

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Solution

The fourth proportional to 64,707.06, 89,271.42 and 37,840.98 is: 52,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,707.06 : 89,271.42 = 37,840.98 : x
  2. Step 2: Convert to fraction form
    64,707.06/89,271.42 = 37,840.98/x
  3. Step 3: Cross multiply
    64,707.06x = 89,271.42 × 37,840.98
  4. Step 4: Simplify right side
    64,707.06x = 3,378,118,018.79
  5. Step 5: Solve for x
    x = 3,378,118,018.79/64,707.06
  6. Step 6: Final answer
    x = 52,206.33

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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.