Home / 65,038.19-97,601.63-29,978.15

Finding the Fourth Proportional to 65,038.19, 97,601.63 and 29,978.15

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Solution

The fourth proportional to 65,038.19, 97,601.63 and 29,978.15 is: 44,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,038.19 : 97,601.63 = 29,978.15 : x
  2. Step 2: Convert to fraction form
    65,038.19/97,601.63 = 29,978.15/x
  3. Step 3: Cross multiply
    65,038.19x = 97,601.63 × 29,978.15
  4. Step 4: Simplify right side
    65,038.19x = 2,925,915,666.49
  5. Step 5: Solve for x
    x = 2,925,915,666.49/65,038.19
  6. Step 6: Final answer
    x = 44,987.66

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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.