Home / 39,012.51-58,518.77-9,430.34

Finding the Fourth Proportional to 39,012.51, 58,518.77 and 9,430.34

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Solution

The fourth proportional to 39,012.51, 58,518.77 and 9,430.34 is: 14,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,012.51 : 58,518.77 = 9,430.34 : x
  2. Step 2: Convert to fraction form
    39,012.51/58,518.77 = 9,430.34/x
  3. Step 3: Cross multiply
    39,012.51x = 58,518.77 × 9,430.34
  4. Step 4: Simplify right side
    39,012.51x = 551,851,557.74
  5. Step 5: Solve for x
    x = 551,851,557.74/39,012.51
  6. Step 6: Final answer
    x = 14,145.50

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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.