Home / 39,477.58-59,220.18-15,779.48

Finding the Fourth Proportional to 39,477.58, 59,220.18 and 15,779.48

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Solution

The fourth proportional to 39,477.58, 59,220.18 and 15,779.48 is: 23,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,477.58 : 59,220.18 = 15,779.48 : x
  2. Step 2: Convert to fraction form
    39,477.58/59,220.18 = 15,779.48/x
  3. Step 3: Cross multiply
    39,477.58x = 59,220.18 × 15,779.48
  4. Step 4: Simplify right side
    39,477.58x = 934,463,349.81
  5. Step 5: Solve for x
    x = 934,463,349.81/39,477.58
  6. Step 6: Final answer
    x = 23,670.74

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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.